99676217 has 2 divisors, whose sum is σ = 99676218. Its totient is φ = 99676216.

The previous prime is 99676139. The next prime is 99676229. The reversal of 99676217 is 71267699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 22429696 = 8789^2 + 4736^2 .

It is a cyclic number.

It is not a de Polignac number, because 99676217 - 2¹⁰ = 99675193 is a prime.

It is not a weakly prime, because it can be changed into another prime (99616217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49838108 + 49838109.

It is an arithmetic number, because the mean of its divisors is an integer number (49838109).

Almost surely, 2^99676217 is an apocalyptic number.

It is an amenable number.

99676217 is a deficient number, since it is larger than the sum of its proper divisors (1).

99676217 is an equidigital number, since it uses as much as digits as its factorization.

99676217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 99676217 is about 9983.7977243131. The cubic root of 99676217 is about 463.6573858642.

The spelling of 99676217 in words is "ninety-nine million, six hundred seventy-six thousand, two hundred seventeen".